Year Dollars 1992-01-01 322661823 1997-01-01 673270496 2002-01-01 918164503 2003-01-01 1001209355 2004-01-01 846038563 2005-01-01 966848963 2006-01-01 745383579 2007-01-01 705830295 2008-01-01 636855575 2009-01-01 598771898 2010-01-01 561547629 2011-01-01 636579086 2012-01-01 726757746 2013-01-01 875113917 2014-01-01 928255781